Open AccessLeafroller Control Programs, 1984
Author(s) -
C. Pickel,
R. A. Van Steenwyk,
W. W. Coates
Publication year - 1985
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/10.1.39
Subject(s) - sprayer , randomized block design , horticulture , replicate , block (permutation group theory) , environmental science , west virginia , mathematics , forestry , biology , agronomy , statistics , geography , archaeology , combinatorics
Three insecticides were evaluated for control of leafrollers near Hollister, CA on 15-year-old Bleinheim apricot trees. Individual tree plots were replicated 10 times in randomized complete block design. One unsprayed buffer tree surrounded each replicate. Sprays were applied until run-off with a hydraulic hand gun sprayer operating at 300 psi. All sprays were applied on 7 Jun. Evaluations were made midseason (15 Jun) with 500 fruit/treatment and harvest (7 Jul) with 5,000 fruit/treatment.
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